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18121 Konovalenko (2000 NF25)
Classification: Outer Main-belt Asteroid          SPK-ID: 2018121
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2340405068317417 7.2262e-08  
a 3.222171926105506 3.6488e-08 au
q 2.468053175420764 2.3773e-07 au
i .9830141497454126 5.8616e-06 deg
node 44.73538556462648 0.00045047 deg
peri 310.6982539962466 0.00045061 deg
M 236.5634485848162 1.7097e-05 deg
tp 2458324.873860492202
(2018-Jul-25.37386049)
0.00011027 JED
period 2112.620506547264
5.78
3.5885e-05
9.825e-08
d
yr
n .1704044805417333 2.8945e-09 deg/d
Q 3.976290676790248 4.5027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      8389 days (22.97 yr)  
   first obs. used      1993-04-26  
   last obs. used      2016-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55485  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:29:13  

Additional Information
 Earth MOID = 1.46269 au 
 Jupiter MOID = 1.46103 au 
 T_jup = 3.145 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO337411  

18121 Konovalenko           Discovered 2000 July 4 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Alexandr A. Konovalenko (b. 1951) is an academician at the Ukrainian National Academy of Sciences and a well-known radioastronomer. He is active in astrophysics and instrumentation using the largest decameter radio telescope (UTR-2). The name was suggested by D. F. Lupishko.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

[ show close-approach data ]
Alternate Designations
 2000 NF25 = 1994 NV8 = 1995 VO7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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